diff options
| -rw-r--r-- | render.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -190,9 +190,9 @@ cliptriangle(Triangle *t) if(!isvisible(t[0][0].p) && !isvisible(t[0][1].p) && !isvisible(t[0][2].p)) return 0; - memset(&V, 0, sizeof V); - memset(&D, 0, sizeof D); - /* initialize with the original triangle */ +// memset(&V, 0, sizeof V); +// memset(&D, 0, sizeof D); +// /* initialize with the original triangle */ // for(i = 0; i < 3; i++) // addvert(&V, t[0][i]); // @@ -374,14 +374,13 @@ rasterize(SUparams *params, Triangle t, Memimage *frag) /* lerp z⁻¹ and get actual z */ z = t[0].p.w*bc.x + t[1].p.w*bc.y + t[2].p.w*bc.z; - z = 1.0/(z < 1e-6? 1e-6: z); + z = 1.0/(z < 1e-5? 1e-5: z); /* lerp attribute and dissolve perspective */ // t[0].c = mulpt3(t[0].c, bc.x*z); // t[1].c = mulpt3(t[1].c, bc.y*z); // t[2].c = mulpt3(t[2].c, bc.z*z); - cbuf[0] = 0xFF; if((t[0].uv.w + t[1].uv.w + t[2].uv.w) != 0){ tt₂.p0 = mulpt2(t[0].uv, bc.x*z); tt₂.p1 = mulpt2(t[1].uv, bc.y*z); @@ -393,13 +392,19 @@ rasterize(SUparams *params, Triangle t, Memimage *frag) switch(params->modeltex->chan){ case RGB24: unloadmemimage(params->modeltex, rectaddpt(UR, tp), cbuf+1, sizeof cbuf - 1); + cbuf[0] = 0xFF; break; case RGBA32: unloadmemimage(params->modeltex, rectaddpt(UR, tp), cbuf, sizeof cbuf); break; + case XRGB32: + unloadmemimage(params->modeltex, rectaddpt(UR, tp), cbuf, sizeof cbuf); + memmove(cbuf+1, cbuf, 3); + cbuf[0] = 0xFF; + break; } }else - memset(cbuf+1, 0xFF, sizeof cbuf - 1); + memset(cbuf, 0xFF, sizeof cbuf); fsp.p = p; fsp.bc = bc; |